MAX8903CETI+ Maxim Integrated Products, MAX8903CETI+ Datasheet - Page 4

• Manufacturer Part Number: MAX8903CETI+
• Description: IC DC/DC CHARGER LI+ 2A 28-TQFN
• Manufacturer: Maxim Integrated Products
• Series: Smart Power Selector™r

Specifications of MAX8903CETI+

• Function: Charge Management
• Battery Type: Lithium-Ion (Li-Ion)
• Voltage - Supply: 4.1 V ~ 16 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 28-TQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

2A 1-Cell Li+ DC-DC Chargers for USB
and Adapter Power
ELECTRICAL CHARACTERISTICS (continued)
(V
(Note 1)
4
BATTERY CHARGER
BAT Regulation Voltage
(V
C har g er Restar t Thr eshol d
BAT Prequal Threshold (V
Prequal Charge Current
Fast-Charge Current
DONE Threshold (I
R
ISET Output Voltage
ISET Current Monitor Gain
BAT Leakage Current
Charger Soft-Start Time
Charger Thermal Limit
Temperature
Charger Thermal Limit Gain
CHARGER TIMER
Prequalification Time
Fast-Charge Time
Top-Off Timer (t
Timer Accuracy
Timer Extend Current Threshold
Timer Suspend Current Threshold
DC
ISET
BATREG
_______________________________________________________________________________________
= V
Resistor Range
USB
)
PARAMETER
= 5V, V
TOP-OFF
TERM
BAT
)
)
= 4V, circuit of Figure 2, T
BATPQ
)
I
Change in V
V
180mV hystersis
Percentage of fast-charge current set at ISET
R
R
R
Percentage of fast-charge, I
No DC or USB input
With valid input power, V
Charge current = 0 at + 120°C
C
C
MAX8903A/MAX8903C/MAX8903D/MAX8903Y (fixed)
MAX8903B/MAX8903E/MAX8903G, C
Percentage of fast-charge current below which the timer
clock operates at half-speed
Percentage of fast-charge current below which timer
clock pauses
BAT
BAT
ISET
ISET
ISET
CT
CT
= 0.15μF
= 0.15μF
= 0mA
rising
= 600Ω
= 1.2kΩ (MAX8903A/MAX8903C/MAX8903D)
= 2.4kΩ
BAT
A
from DONE to fast-charge
= -40°C to +85°C, unless otherwise noted. Typical values are at T
MAX8903A/
MAX8903B/
MAX8903C/
MAX8903G
MAX8903D/
MAX8903E
MAX8903Y
MAX8903A/MAX8903C/MAX8903D/
MAX8903Y
MAX8903B/MAX8903E/MAX8903G
CONDITIONS
CEN
BAT
= 5V
decreasing
T
T
T
T
T
T
A
A
A
A
A
A
CT
= +25°C
= -40°C to +85°C
= +25°C
= -40°C to +85°C
= +25°C
= -40°C to +85°C
= 0.15μF
4.179
4.158
4.079
4.059
4.129
4.109
1800
-150
MIN
900
450
2.9
2.4
0.6
-15
40
16
2000
1000
TYP
4.15
4.15
-100
1.25
0.05
500
100
660
132
4.2
4.2
4.1
4.1
3.0
2.5
1.5
1.0
10
10
33
15
50
20
3
5
4.221
4.242
4.121
4.141
4.171
4.192
MAX
2200
1100
+15
550
-60
3.1
2.6
2.4
60
24
4
6
A
= +25°C.)
UNITS
mA/A
%/°C
min
min
min
mV
mA
kΩ
ms
μA
°C
%
%
%
%
%
V
V
V
s